Hellwig 61603 Pro Series Helper Springs Features: Load Assist And Sway Control Self Adjusting Suspension Stabilizers Does Not Effect Ride When Unloaded Heavy Duty Hardware Never Needs Adjusting Million Mile Warranty 2500 Level Load Capacity Height: 2.56 Width: 9.50 Length: 53.50 Weight: 60.00 lbs Vehicle Type: Leaf Helper Spring Fitment: 2003/Ford/F-150/XLT Standard Cab Pickup 2-Door/5.4L 330Cu. In. V8 GAS SOHC Naturally Aspirated::Do Not Use w/ Factory Overload Contact Springs, Drive Type = RWD^^2003/Ford/F-150/XLT Standard Cab Pickup 2-Door/5.4L 330Cu. In. V8 GAS SOHC Naturally Aspirated::Do Not Use w/ Factory Overload Contact Springs, Drive Type = 4WD^^2003/Ford/F-150/XLT Standard Cab Pickup 2-Door/5.4L 330Cu. In. V8 CNG SOHC Naturally Aspirated::Do Not Use w/ Factory Overload Contact Springs, Drive Type = RWD^^2003/Ford/F-...